The three found in his apartment are part of the six total killed. Several others were also wounded at different locations, in addition to the six killed. The three killed in the apartment were stabbed to death.
Via Boston.com:
Three additional bodies were removed from the apartment of the man who shot and killed six people on Friday during separate drive-by shootings near Santa Barbara, according to a report.
Elliot Rodger, 22, the son of filmmaker Paul Rodger, was reportedly under psychiatric care and “diagnosed with ‘highly functional Asperger’s syndrome’ as a child, BBC reported.
A local newscaster reported that a 140-page “manifesto” written by Rodger and titled “My Twisted World” is being examined by officials.